Chemical Product Library / Reference
Hydrolyzed polymaleic anhydride
Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.
Chemical identity
| English name | Hydrolyzed polymaleic anhydride |
|---|---|
| English synonyms | HPMA;Polymaleic acid;Hydrolyzed PMA |
| Chinese name | 水解聚马来酸酐 |
| Chinese synonyms | HPMA;聚马来酸;水解聚马来酸酐阻垢剂 |
| Chemical category | Scale Inhibitors |
| CAS No. | 26099-09-2 |
| EINECS No. | Not provided |
| Molecular formula | (C4H4O4)n |
| Molecular weight | Not provided |
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.
Technical indicators
Solid content ≥48.0%; average molecular weight ≥300; pH (1% aqueous solution) 1.0–3.0; density (20°C) ≥1.18 g/cm³
Performance characteristics
Yellow to brownish-red transparent liquid, excellent scale inhibition and dispersion performance, good thermal stability
Application scenarios
Industrial cooling water scale inhibitor, boiler water treatment, oilfield scale inhibitor, textile auxiliary